An MHD Model with Wave Turbulence Driven Heating and Solar Wind Acceleration
3D-MHD Models Driven by IPS
description
Transcript of 3D-MHD Models Driven by IPS
H.-S. YuCenter for Astrophysics and Space Sciences,
University of California at San Diego, LaJolla, CA, USA
3D-MHD Models Driven by IPS
http://smei.ucsd.edu/ http://ips.ucsd.edu/
ftp://cass185.ucsd.edu/data/IPSBD_Real_Time/
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IPS Time-Dependent IPS Time-Dependent 3D Tomographic Reconstructions3D Tomographic Reconstructions
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2011/11/09 CME
Density Ecliptic Cut Density Meridional Cut
Jackson, B.V., et al., 2008, Adv. in Geosciences, 21, 339.
Jackson, B.V., et al., 2013, Solar Phys. 285, 151.
(Forecast)IPS C.A.T. Analysis
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IPS C.A.T. Analysis2011/11/09 CME
Density Ecliptic Cut Density Forecast at 1AU
Jackson, B.V., et al., 2008, Adv. in Geosciences, 21, 339.
(Forecast)(Forecast)
For
ecas
t
Jackson, B.V., et al., 2013, Solar Phys. 285, 151.
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IPS C.A.T. Analysis2011/11/09 CME
Velocity Ecliptic Cut Velocity Forecast at 1AU
Jackson, B.V., et al., 2008, Adv. in Geosciences, 21, 339.
(Forecast)(Forecast)
For
ecas
t
Jackson, B.V., et al., 2013, Solar Phys. 285, 151.
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Global Solar Wind BoundaryGlobal Solar Wind Boundary
Evaluating the 3D reconstruction at a Evaluating the 3D reconstruction at a given spherical radius provides a given spherical radius provides a “global solar wind lower boundary” “global solar wind lower boundary” which can then be extrapolated which can then be extrapolated outward by 3D-MHD models. outward by 3D-MHD models.
Results of this extrapolation can be Results of this extrapolation can be compared with compared with in-situin-situ measurements measurements as a “ground truth” verification of as a “ground truth” verification of this technique.this technique.
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Time-Dependent Time-Dependent Boundary in Boundary in Inertial Inertial Heliographic Heliographic Coordinates Coordinates (IHG)(IHG)
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Time-Dependent Time-Dependent Boundary in Boundary in Inertial Inertial Heliographic Heliographic Coordinates Coordinates (IHG)(IHG)
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MS-FLUKSS 3D-MHD modeling from a
0.25AU 3D time-dependent IPS tomography boundary.
(Kim, T. K., 2012, AIP Conference Proc. 1500, pp.
140-146.)
3D-MHD Models Driven by IPS
Measurements at Earth
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Time-Dependent Boundary in Time-Dependent Boundary in Heliographic Coordinates (Earth-Heliographic Coordinates (Earth-entered)entered)
ftp://cass185.ucsd.edu/data/IPSBD_Real_Time/
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Time-Dependent Boundary in Time-Dependent Boundary in Heliographic Coordinates (Earth-Heliographic Coordinates (Earth-entered)entered)
ftp://cass185.ucsd.edu/data/IPSBD_Real_Time/
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mas2bc
bnd.nc
MAS Data
a3d2bc
WSA Model MAS Model
WSA Data
bnd.ncbnd.nc bnd.nc
mas2bc wsa2bc
ENLILcone2bc bnd.nc
UCSD Model
UCSD Data In-Situ Data
ucsd2bc coho2bc
bnd.nc bnd.nc
MAS Data
Currently, there are three models (yellow) that can be used to drive ENLIL (green) Computational system shares data sets (grey) and uses couplers (blue)
ENLIL Model Drivers